Window header extrusion



FIG. 1 is an end elevation view of a window header extrusion embodyingmy new invention;

FIG. 2 is a top plan view of the extrusion shown in FIG. 1 shownfragmentarily to indicate indeterminate length;

FIG. 3 is a bottom plan view of the extrusion shown in FIGS. 1-2;

FIG. 4 is a front elevation view of the extrusion shown in FIGS. 1-3;and

FIG. 5 is a rear elevation view of the extrusion shown in FIGS. 1-4.

The ornamental design for a window header extrusion, substantially asshown and described.